Instructions in advance, after Lavalys's EVEREST (from Canada) was discontinued, FinalWire's AIDA64 (from Hungary) became its successor. EVEREST Ultimate Edition is now AIDA64 Extreme Edition, and EVEREST Corporate Edition is now AIDA64 Business Edition.
As far as I can see, HD Tune Pro has been the best and most popular universal hard disk testing and diagnostic toolkit all the time. It can show you all the performance parameters of any kind of storage media, including Firmware version, Capacity, Serial number, Buffer size, SATA standard, supported UDMA mode and the supported features like read-write speed, burst rate, ...
The data stored in hard drive is almost always important (also vital for few guys), so it's necessary to regularly check their health status. CrystalDiskInfo is an open-source, free hard disk detection tool from Japan. It can provide comprehensive health info of HDD/SSD through reading its S.M.A.R.T. data (which can be used to monitor and analyze the health condition of hard drive in real time).
If you are a person focusing on health and like to try all kinds of new apps, then you might have tried some with the subjects of visual acuity or color blindness test. But the fact is they don't like look so professional and practical - most of which are just funny games (e.g.: Eyesight Examiner Side N and THE EYE TEST).
Take a Break Reminder is a lightweight and completely free-to-use regularly reminding to rest tool. It's specially designed for people who work at a computer for a long time, in order to to protect their eyesight and physical health.
For the most important storage device in our computer - hard disk, after a period of use, it is necessary to learn about the health status of the hard disk, which is contribute to saving the individual important data, in order to avoid loss.